6464629 has 4 divisors (see below), whose sum is σ = 6561184. Its totient is φ = 6368076.

The previous prime is 6464611. The next prime is 6464639. The reversal of 6464629 is 9264646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6464629 - 2⁷ = 6464501 is a prime.

It is a d-powerful number, because it can be written as 6² + 4⁴ + 6³ + 4⁵ + 6⁸ + 2⁹ + 9⁷ .

It is a Duffinian number.

6464629 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48177 + ... + 48310.

It is an arithmetic number, because the mean of its divisors is an integer number (1640296).

Almost surely, 2^6464629 is an apocalyptic number.

It is an amenable number.

6464629 is a deficient number, since it is larger than the sum of its proper divisors (96555).

6464629 is an equidigital number, since it uses as much as digits as its factorization.

6464629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96554.

The product of its digits is 62208, while the sum is 37.

The square root of 6464629 is about 2542.5634702009. The cubic root of 6464629 is about 186.2864223170.

The spelling of 6464629 in words is "six million, four hundred sixty-four thousand, six hundred twenty-nine".